Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 122/145
Name: Liquid heaters and vaporizers > Flue > Horizontal > Internal water tube > Transverse
Description: Devices having water tubes extending across the flues and communicating with the boiler at both ends.










Sub-classes under this class:

Class Number Class Name Patents
122/146 Drop water firebox 0
122/147 Return fire tube 0


Patents under this class:

Patent Number Title Of Patent Date Issued
4316436 Heat exchanger Feb. 23, 1982
4062324 Firetube economizer Dec. 13, 1977
4044726 Circulating water heater Aug. 30, 1977











 
 
  Recently Added Patents
Mobile terminal and control method thereof
Substituted pyrazolo[1,5-A]pyrazine compounds as allosteric modulators of mGluR5 receptors
Method and apparatus for multi-planar edge-extended wafer translator
Field effect transistor, semiconductor device and semiconductor device manufacturing method
Method and apparatus for multiple zone statistics collection for digital image/video capture systems
Control point, image forming apparatus and method for processing event
Authenticating multiple devices simultaneously over a wireless link using a single subscriber identity module
  Randomly Featured Patents
Automatic configuration options for multi-element robotic library configurations
Automatic enforcement of relationships in a database schema
Method of binding a plurality of pages
Method of manufacturing semiconductor device
Electromechanical controller for dishwasher with alternating flow
Automatic air inlet control
Yellow ink composition, ink set, ink cartridge, inkjet recording method, and recorded matter
Valved discharge mechanism of a refrigerant compressor
Method and apparatus for internal cleaning of pipes or tubes
Solid state lights with thermosiphon liquid cooling structures and methods